CVE-2018-12596

Ektron CMS 9.20 SP2 allows remote attackers to call aspx pages via the "activateuser.aspx" page, even if a page is located under the /WorkArea/ path, which is forbidden (normally available exclusively for local admins).

Exploit-DB publication at https://www.exploit-db.com/exploits/45577/
PacketStorm publication at https://packetstormsecurity.com/files/149734/Ektron-CMS-9.20-SP2-Improper-Access-Restrictions.html

Timeline

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2018–06–08: Discovered
2018–06–11: Retest staging environment
2018–06–12: Restes live environment
2018–06–19: Internal communication
2018–06–21: Vendor notification
2018–06–21: Vendor feedback
2018–06–29: Vendor feedback product will be patched
2018–06–29: Patch available
2018–06–29: Agrements with the vendor to publish the CVE/Advisory
2018–07–30: Internal communication
2018–09–15: Patches tested on LAB environment
2018–10–08: Public report

Episerver (Ektron Product 9.20 SP2) Patch and credits:

https://support.episerver.com/hc/en-us/articles/115002828112-9-2-SP2-Site-Update

Author